CN113237706B - Cement sampling system - Google Patents
Cement sampling system Download PDFInfo
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- CN113237706B CN113237706B CN202110738023.2A CN202110738023A CN113237706B CN 113237706 B CN113237706 B CN 113237706B CN 202110738023 A CN202110738023 A CN 202110738023A CN 113237706 B CN113237706 B CN 113237706B
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- pipe
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- pore plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a cement sampling system, which comprises a discharge pipe, wherein the middle section of the discharge pipe is provided with a material collecting barrel, the upper end of the material collecting barrel is connected with a material sucking pipe, and one end of the material sucking pipe, which is far away from the material collecting barrel, is connected with a cyclone blanking device; a material guide pore plate which divides the material collection barrel into an upper cavity and a lower cavity is arranged in the material collection barrel, the material discharge pipe is communicated with the upper cavity, and one end of the material suction pipe, which is far away from the cyclone blanking device, is communicated with the lower cavity; the lower cavity is internally and fixedly connected with a supporting pore plate, a first blanking hole is formed in the material guiding pore plate, a second blanking hole is formed in the supporting pore plate, and the aperture of the first blanking hole is smaller than that of the second blanking hole. The invention adopts the cyclone blanking device to sample the cement in the discharging pipe on line, thereby avoiding the shutdown of packaging production.
Description
Technical Field
The invention relates to the technical field of powder sampling equipment, in particular to a cement sampling system.
Background
After the cement is packaged in the sealing bag, the physical and chemical indexes are detected by sampling, so that the quality of the packaged cement is ensured to reach the standard.
In the prior art, a sampling mode is generally adopted, a small part is extracted from a batch of cement products for detection, specifically, bag breaking sampling is carried out on a part of extracted cement, the cement after bag breaking needs to be packaged again, and meanwhile, weight loss exists.
The prior art also has a system for sampling in the packaging process, which is generally to pack a batch, then stop bagging, and then directly use the part led out from the raw material tank as a sample for detection, so that damage to the packaged product can be avoided, but the packaging operation needs to be suspended, which is unfavorable for improving the production efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cement sampling system, which solves the problems that the shutdown is needed for sampling in the prior art, and the production efficiency is inconvenient to improve.
According to the embodiment of the invention, the cement sampling system comprises a discharge pipe, wherein the middle section of the discharge pipe is provided with a material collecting barrel, the upper end of the material collecting barrel is connected with a material sucking pipe, and one end of the material sucking pipe, which is far away from the material collecting barrel, is connected with a cyclone blanking device; a material guide pore plate which divides the material collection barrel into an upper cavity and a lower cavity is arranged in the material collection barrel, the material discharge pipe is communicated with the upper cavity, and one end of the material suction pipe, which is far away from the cyclone blanking device, is communicated with the lower cavity; the lower cavity is internally and fixedly connected with a supporting pore plate, a first blanking hole is formed in the material guiding pore plate, a second blanking hole is formed in the supporting pore plate, and the aperture of the first blanking hole is smaller than that of the second blanking hole.
In the embodiment, the suction pipe for sampling is arranged at the middle section of the discharge pipe, and the sampling is performed while discharging, so that the normal discharging process is not delayed; specifically, a cyclone blanking device is started, negative pressure is formed in a lower cavity of the material collecting barrel to suck cement into the lower cavity, then the cement is continuously sucked into the material suction pipe to enter the cyclone blanking device, and the cement is guided out of the cyclone blanking device.
Further, a plurality of steel balls are filled between the material guiding pore plate and the supporting pore plate.
Further, the discharging pipe comprises a first pipe section and a second pipe section, the first pipe section and the second pipe section are respectively connected to two side faces of the collecting cylinder, the position of the first pipe section is higher than that of the second pipe section, one end of the material guiding pore plate is connected with the first pipe section, and the other end of the material guiding pore plate is connected with the second pipe section.
Further, the suction pipe is vertically arranged, the suction pipe sequentially penetrates through the guide pore plate and the upper cavity from the lower direction of the support pore plate and then is connected with a hose, and one end, away from the suction pipe, of the hose is connected with the cyclone blanking device.
Further, an air inlet pipe connected with the hose is arranged on the cyclone blanking device, a blanking port and an air outlet pipe are also arranged on the cyclone blanking device, and the air outlet pipe is connected with an exhaust fan.
Further, the lower end of the suction pipe is propped against the bottom surface of the lower cavity, and a plurality of communication holes for communicating the suction pipe and the lower cavity are formed in the lower end of the suction pipe.
Further, the sampling system further comprises a supporting frame, and the cyclone blanking device and the material collecting barrel are fixedly arranged on the supporting frame; the motor is further installed on the support frame, a rotating shaft of the motor extends upwards and is fixedly connected with a rotating rod, the rotating rod penetrates into the lower cavity from bottom to top and then extends into the material suction pipe, and the periphery of the rotating rod is fixedly connected with a first spiral blade located in the material suction pipe and separated from the inner wall of the material suction pipe.
Further, a sliding ring which is in sliding connection with the inner wall of the material suction pipe is fixedly connected to the rotating rod, and a material guide hole is further formed in the sliding ring.
Further, the support frame includes the bottom plate, the aggregate cylinder is installed on the bottom plate, the motor is located the bottom plate below, be provided with on the bottom plate and supply the sealed hole that the dwang passed, sealed hole include the upper hole section and with dwang sliding connection's lower hole section, still fixedly connected with is located on the dwang the second spiral leaf in the upper hole section, the second spiral leaf with upper hole section inner wall sliding connection.
Further, the support frame is fixedly connected with the mounting plate, and the motor is mounted on the mounting plate.
Compared with the prior art, the invention has the following beneficial effects:
the sample is realized when packing cement, unpacking is performed after the cement is not required to be packed, normal packing operation is not required to be stopped, normal production efficiency is not affected, the sample obtained by the sampling mode is more representative, and after the sampling is finished, the cyclone blanking device can be used as another cement packing port to perform cement packing operation continuously, so that cement packing is more efficient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the partial structure at A in FIG. 1;
FIG. 3 is a schematic view showing the positional relationship between a sliding ring and a suction pipe according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a partial structure at B in FIG. 1;
in the above figures:
1. a mounting plate; 2. a material collecting barrel; 3. a suction pipe; 4. a cyclone blanking device; 5. an upper cavity; 6. a lower cavity; 7. a material guiding pore plate; 8. a support orifice plate; 9. a raw material tank; 10. a steel ball; 11. a first pipe section; 12. a second pipe section; 13. a valve; 14. a hose; 15. an air inlet pipe; 16. a blanking port; 17. an air outlet pipe; 18. a communication hole; 19. a support frame; 20. a motor; 21. a rotating lever; 22. a first helical leaf; 23. a slip ring; 24. a material guiding hole; 25. a bottom plate; 26. and a second helical lobe.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, the embodiment provides a cement sampling system, which comprises a discharge pipe, wherein a material collecting barrel 2 is arranged in the middle section of the discharge pipe, a material suction pipe 3 is connected to the upper end of the material collecting barrel 2, and one end of the material suction pipe 3, which is far away from the material collecting barrel 2, is connected with a cyclone blanking device 4; a material guide pore plate 7 dividing the material collection barrel 2 into an upper cavity 5 and a lower cavity 6 is arranged in the material collection barrel 2, the material discharge pipe is communicated with the upper cavity 5, the material discharge pipe and the upper cavity 5 are normal cement discharge passages, and one end of the material suction pipe 3, which is far away from the cyclone blanking device 4, is communicated with the lower cavity 6; the lower cavity 6 is internally and fixedly connected with a supporting pore plate 8, a first blanking hole is formed in the material guiding pore plate 7, a second blanking hole is formed in the supporting pore plate 8, and the aperture of the first blanking hole is smaller than that of the second blanking hole.
In the above embodiment, the suction pipe 3 for sampling is arranged in the middle section of the discharge pipe, and sampling is performed while discharging, so that the normal discharging process is not delayed; specifically, the cyclone blanking device 4 is started, negative pressure is formed in the lower cavity 6 of the aggregate cylinder 2 to suck cement into the lower cavity 6, then the cement is continuously sucked into the suction pipe 3 to enter the cyclone blanking device 4, and the cement is guided out of the cyclone blanking device 4;
the sampling system provided by the embodiment realizes the sampling while packaging cement, unpacking is not needed after the cement is packaged, normal packaging operation is not needed to be stopped, normal production efficiency is not influenced, the sample obtained by the sampling mode is more representative, and after the sampling is finished, the cyclone feeder 4 can be used as another cement packaging port to carry out cement packaging operation, so that cement packaging is more efficient.
Specifically, as shown in fig. 1, the aperture of a first blanking hole on the arranged material guiding pore plate 7 is smaller, and during normal discharging (namely, during normal cement packaging, cement enters a material discharging pipe from the material tank 9 at this time and is continuously guided out of the material discharging pipe through the material guiding pore plate 7), the cement normally passes through the material discharging pipe to realize normal discharging packaging;
when needs sample, the negative pressure that cyclone glassware 4 provided inhales first blanking hole with some cement, then enter into the bottom of lower cavity 6 through the second blanking hole, and then be inhaled into cyclone glassware 4, realize the sample, wherein the second blanking hole aperture that sets up is greater than first blanking hole, can make cement pass the second blanking hole more easily and get into lower cavity 6 bottom like this, make cement more quickly be inhaled into inhaling material pipe 3, the cement is difficult to pass first blanking hole in order to avoid influencing normal packing process promptly, pass the second blanking hole more easily in order to ensure that the sample normally goes on.
In order to avoid that too much cement is sucked into the lower cavity 6, as shown in fig. 1, the aperture of the first blanking hole is small, and the material guiding hole plate 7 is inclined, specifically, one end of the cement entering the material collecting cylinder 2 is higher than one end leaving the material collecting cylinder 2, so that the cement is guided downwards away from the material discharging pipe more quickly, a small amount of cement is sucked between the material guiding hole plate 7 and the supporting hole plate 8 under the action of negative pressure, meanwhile, a plurality of steel balls 10 are filled between the material guiding hole plate 7 and the supporting hole plate 8, the steel balls 10 are used for assisting the first blanking hole to prevent too much cement from entering between the material guiding hole plate 7 and the supporting hole plate 8, in particular, when no sampling is performed, the steel balls 10 are blocked between the first blanking hole and the second blanking hole, the cement can be prevented from entering the lower cavity 6 through the first blanking hole, meanwhile, the steel balls 10 and the steel balls 10 are not completely close to each other, a path for allowing the cement to pass through is reserved, and under the action of gravity (i.e. when the cyclone 4 is not started), the negative pressure can not pass through the steel balls 10, but normal cement can pass through the steel balls 10.
As shown in fig. 1, the discharge pipe comprises a first pipe section 11 and a second pipe section 12, the first pipe section 11 and the second pipe section 12 are respectively connected to two side surfaces of the collecting cylinder 2, the position of the first pipe section 11 is higher than that of the second pipe section 12, one end of the material guiding pore plate 7 is connected with the first pipe section 11, and the other end is connected with the second pipe section 12. So that the material guiding pore plate 7 is inclined, cement can pass through conveniently and quickly, cement is prevented from entering the lower cavity 6 in non-sampling time, and excessive cement is prevented from entering the lower cavity 6 in sampling time; wherein the higher first pipe section 11 is communicated with the outlet of the raw material tank 9 to guide out the cement in the raw material tank 9 into the discharge pipe, and a valve 13 is arranged on the first pipe section 11.
As shown in fig. 1, the suction pipe 3 is vertically arranged, the suction pipe 3 sequentially passes through the material guiding hole plate 7 and the upper cavity 5 from the lower direction of the supporting hole plate 8 and then is connected with a hose 14, and one end of the hose 14, which is far away from the suction pipe 3, is connected with the cyclone feeder 4; further, the cyclone feeder 4 is provided with an air inlet pipe 15 connected with the hose 14, the cyclone feeder 4 is further provided with a blanking port 16 and an air outlet pipe 17, and the air outlet pipe 17 is connected with an air inlet of an exhaust fan. The exhaust fan is a power source for providing power, and after the exhaust fan is started, the cyclone blanking cylinder can provide negative pressure for the lower cavity 6 of the material collecting cylinder 2.
As shown in fig. 1, the lower end of the suction pipe 3 abuts against the bottom surface of the lower cavity 6, and a plurality of communication holes 18 are formed in the lower end of the suction pipe 3 and are used for communicating the suction pipe 3 and the lower cavity 6. The through holes provide channels for cement to enter the suction pipe 3, in particular, the suction pipe 3 can be fixedly connected with the bottom surface of the lower cavity 6, so that the connection strength of the suction pipe 3 and the material collecting barrel 2 is ensured, the suction pipe 3 is prevented from shaking when negative pressure acts, and adverse effects on the support pore plate 8 and the material guiding pore plate 7 are avoided (in particular, the suction pipe 3, the support pore plate 8 and the material guiding pore plate 7 are fixedly connected, the lower end of the matched suction pipe 3 is fixedly connected with the bottom surface of the lower cavity 6, and the stability of the suction pipe 3 in the system operation process is ensured).
As shown in fig. 1, the sampling system further comprises a support 19, and the cyclone 4 and the material collecting barrel 2 are fixedly installed on the support 19; the motor 20 is further installed on the support frame 19, a rotating shaft of the motor 20 extends upwards and is fixedly connected with a rotating rod 21, the rotating rod 21 penetrates into the lower cavity 6 from bottom to top and then extends into the suction pipe 3, a first spiral blade 22 located in the suction pipe 3 is fixedly connected to the periphery of the rotating rod 21, and the first spiral blade 22 is separated from the inner wall of the suction pipe 3. The motor 20 that sets up is used for assisting cement to enter into and inhales in the material pipe 3, guarantees that the normal material pipe 3 that inhales of cement realizes the sample, specifically:
when the motor 20 rotates, the rotating rod 21 is driven to rotate together with the first spiral blade 22, and the first spiral blade 22 cooperates with negative pressure, so that cement can enter the suction pipe 3 faster, the cement can enter the cyclone blanking device 4 faster, and finally the cement is led out through the blanking port 16 of the cyclone blanking device 4; in particular, during normal sampling, the motor 20 may not be started, and because a gap is left between the first spiral blade 22 and the suction pipe 3, cement can smoothly enter the suction pipe 3 under the action of negative pressure, so that sampling is realized, and when the sampling amount is large or synchronous packaging is required by the cyclone blanking device 4, the motor 20 can be started, so that the cement can enter the suction pipe 3 more quickly.
As shown in fig. 1, 2 and 3, in order to prevent cement from blocking in the suction pipe 3, a sliding ring 23 slidably connected with the inner wall of the suction pipe 3 is fixedly connected to the rotating rod 21, a guide hole 24 is further formed in the sliding ring 23, cement can pass through the guide hole 24, meanwhile, the upper end of the rotating rod 21 realizes relative rotation with the suction pipe 3 through the sliding ring 23, and in the relative rotation process, the rotating rod 21 cannot shake under the limit of the sliding ring 23, so that the first spiral blade 22 operates more stably.
The supporting frame 19 as shown in fig. 1 and 4 comprises a bottom plate 25, the material collecting barrel 2 is installed on the bottom plate 25, the motor 20 is located below the bottom plate 25, a sealing hole for the rotating rod 21 to pass through is formed in the bottom plate 25, the sealing hole comprises an upper hole section and a lower hole section which is slidably connected with the rotating rod 21, a second spiral blade 26 located in the upper hole section is fixedly connected to the rotating rod 21, the second spiral blade 26 is slidably connected with the inner wall of the upper hole section, the supporting frame 19 is fixedly connected with the mounting plate 1, and the motor 20 is installed on the mounting plate 1. The motor 20 is arranged below the supporting frame 19 (i.e. below the material collecting barrel 2), the rotating rod 21 and the bottom plate 25 are in rotating connection (i.e. clearance fit is provided between the rotating rod and the bottom plate, normal rotation is guaranteed), the second spiral blade 26 is propped against the inner wall of the upper hole section when no sampling is carried out, no cement or little cement exists in the lower cavity 6, the cement can be prevented from entering the clearance, the negative pressure enables the cement to move towards the material sucking pipe 3 along with the increase of the cement amount during sampling, the second spiral blade 26 can also prevent the cement from entering the upper hole section, further, after the motor 20 is started, the cement amount entering the lower cavity 6 is larger under the cooperation of the second spiral blade 26, and at the moment, the second spiral blade 26 and the motor 20 synchronously rotate so that the cement is lifted upwards outwards from the upper hole section, so that the cement cannot enter the upper hole section downwards, and finally the cement cannot leak from the clearance between the rotating rod 21 and the bottom plate 25.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (7)
1. The cement sampling system is characterized by comprising a discharge pipe, wherein a material collecting barrel is arranged in the middle section of the discharge pipe, the upper end of the material collecting barrel is connected with a material sucking pipe, and one end of the material sucking pipe, which is far away from the material collecting barrel, is connected with a cyclone blanking device; a material guide pore plate which divides the material collection barrel into an upper cavity and a lower cavity is arranged in the material collection barrel, the material discharge pipe is communicated with the upper cavity, and one end of the material suction pipe, which is far away from the cyclone blanking device, is communicated with the lower cavity; the lower cavity is internally and fixedly connected with a supporting pore plate, a first blanking hole is formed in the material guiding pore plate, a second blanking hole is formed in the supporting pore plate, and the aperture of the first blanking hole is smaller than that of the second blanking hole;
a plurality of steel balls are filled between the material guide pore plate and the supporting pore plate; the discharging pipe comprises a first pipe section and a second pipe section, the first pipe section and the second pipe section are respectively connected to two side surfaces of the collecting barrel, the position of the first pipe section is higher than that of the second pipe section, one end of the material guiding pore plate is connected with the first pipe section, and the other end of the material guiding pore plate is connected with the second pipe section; the suction pipe is vertically arranged, the suction pipe sequentially penetrates through the guide pore plate and the upper cavity from the lower direction of the support pore plate and then is connected with a hose, and one end, away from the suction pipe, of the hose is connected with the cyclone blanking device.
2. A cement sampling system according to claim 1, wherein the cyclone feeder is provided with an air inlet pipe connected to the hose, the cyclone feeder is further provided with a blanking port and an air outlet pipe, and the air outlet pipe is connected to an exhaust fan.
3. A cement sampling system according to claim 1 or 2, wherein the lower end of the suction pipe abuts against the bottom surface of the lower cavity, and a plurality of communication holes communicating the suction pipe and the lower cavity are provided at the lower end of the suction pipe.
4. A cement sampling system according to claim 3, further comprising a support frame, said cyclone separator and said cartridge being fixedly mounted to said support frame; the motor is further installed on the support frame, a rotating shaft of the motor extends upwards and is fixedly connected with a rotating rod, the rotating rod penetrates into the lower cavity from bottom to top and then extends into the material suction pipe, and the periphery of the rotating rod is fixedly connected with a first spiral blade located in the material suction pipe and separated from the inner wall of the material suction pipe.
5. The cement sampling system of claim 4, wherein a sliding ring is fixedly connected to the rotating rod and is slidably connected to the inner wall of the suction pipe, and a guide hole is further formed in the sliding ring.
6. The cement sampling system of claim 5, wherein the support comprises a bottom plate, the aggregate cylinder is mounted on the bottom plate, the motor is located below the bottom plate, a sealing hole for the rotating rod to pass through is formed in the bottom plate, the sealing hole comprises an upper hole section and a lower hole section which is slidably connected with the rotating rod, a second spiral blade located in the upper hole section is fixedly connected to the rotating rod, and the second spiral blade is slidably connected with the inner wall of the upper hole section.
7. A cement sampling system according to claim 6, wherein the support frame is fixedly connected to a mounting plate, and the motor is mounted on the mounting plate.
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| CN202110738023.2A CN113237706B (en) | 2021-06-30 | 2021-06-30 | Cement sampling system |
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| CN202110738023.2A CN113237706B (en) | 2021-06-30 | 2021-06-30 | Cement sampling system |
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| CN113237706B true CN113237706B (en) | 2023-06-30 |
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Denomination of invention: A cement sampling system Effective date of registration: 20230830 Granted publication date: 20230630 Pledgee: Hubei Yidu Rural Commercial Bank Co.,Ltd. Pledgor: Yichang Hengdali New Material Technology Co.,Ltd. Registration number: Y2023980054436 |